What kind of drug is Veratrum

Veratrum is a traditional Chinese medicine, which can gush out phlegm and kill worms; it can treat stroke, phlegm congestion, scabies and bald sores.
Veratrum belongs to a kind of Chinese herbal medicine with pungent, bitter flavor and cold nature, and has the efficacy of gushing out wind phlegm and killing insects; in the clinic, veratrum can treat stroke, epilepsy and other symptoms, such as phlegm and saliva congestion (abnormal phlegm, excessive production of saliva), and also treat scabies and ringworm, prolonged malaria, and dysentery and other conditions.
Veratrum can cause adverse reactions such as poisoning. Contraindications include, avoiding use with drugs such as peony and ginseng; contraindicating use in patients with weak qi; and using with caution in pregnant women and other people.
If you need to use veratrum, should be in the doctor under the guidance of the identification of the correct standardized use, not self-medication, so as not to cause adverse consequences.